八分之五减0.3加八分之三减0.2的简算
问题描述:
八分之五减0.3加八分之三减0.2的简算
答
八分之五减0.3加八分之三减0.2
=(8分之5+8分之3)-(0.3+0.2)
=1-0.5
=0.5